Air Conditioning Compressor Mercedes W204 W212 M271 OM651 A/C Pump A0022304411

Visual condition of the part

The product shows signs of use visible in the photos.

Mercedes W204 W212 M271 OM651 Air Conditioning Compressor A0022304411 is an original air conditioning system component from the Air Conditioning Compressors & Clutches category, designed for Mercedes mid-size vehicles. This used compressor offers a functional service solution for drivers looking to restore air conditioning functionality while maintaining factory performance characteristics.

Specifications and technical data

• SKU: A0032304811
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A0032304811
• Substitutable numbers: A0032304811, A 003 230 48 11, A0022304411, A 002 230 44 11
• Category: A/C Compressors & Clutches

Technical Specifications of the Mercedes Air Conditioning Compressor

The presented air conditioning compressor is specifically designed for M271 and OM651 engine units in Mercedes W204 and W212 models. This means that the mounting geometry, connection diameters, and control method are adapted to the factory air conditioning system of these vehicles. As a result, the compressor works with original lines, condenser, evaporator, and engine accessories, simplifying installation and reducing the risk of leaks.

As an OEM-class component, the compressor maintains the correct refrigerant compression parameters, which translates to stable operating pressures in the system and predictable cooling performance. The design is adapted for operation in demanding temperature and load conditions typical for M271 gasoline and OM651 diesel engines.

Benefits of Using an Original Air Conditioning Compressor

Using an original compressor in a Mercedes W204 or W212 allows for the integrity of the entire air conditioning system to be maintained. Key advantages include:

• Factory Fitment – Compatibility with engine mounts and accessories, with no modifications required.
• Stable System Operation – Correct pressures and cooling performance, in line with manufacturer specifications.
• Vehicle Electronics Compatibility – Proper interaction with sensors, the climate control module, and the engine control system.
• System Component Cohesion – Compatibility with original lines, condenser, and evaporator.

Thanks to these features, replacing the compressor with an original part from the same product line helps reduce diagnostic time and the risk of climate control adjustment issues after repair.

Condition, Origin, and Service Application

The air conditioning compressor comes from the Mercedes brand offering and is a used part, representing a sensible compromise between repair cost and maintaining factory quality. A used compressor is a particularly attractive solution for repairing vehicles that are used intensively or have higher mileage, where installing a new unit would be economically unjustified.

The product is suitable for both a standard replacement of a worn-out compressor and for a comprehensive overhaul of the air conditioning system after a failure. Combined with a proper system flushing procedure, replacement of the receiver-drier, and the use of appropriate oil and refrigerant, it allows for the full functionality of the air conditioning system in a Mercedes W204 or W212 to be restored.

Selection and Reference Number Compatibility

The offered compressor has a dedicated OEM part number and associated interchangeable numbers, which facilitates unambiguous identification in service catalogs. When selecting a compressor, it is recommended to compare the markings with the currently installed part and verify with the vehicle manufacturer's catalog. This will confirm compatibility with the specific engine version and model year of the car.

If you need a wider selection in this part group, check out other Mercedes Air Conditioning Compressors & Clutches available in our assortment: Mercedes Air Conditioning Compressors & Clutches.

Why Choose Used Original Mercedes Components

For premium brands like Mercedes-Benz, using used but original air conditioning system components often proves more cost-effective than installing cheaper aftermarket alternatives. You receive a part designed precisely for the specific model, with a proven design and predictable long-term performance.

If you want to better understand why used components – including air conditioning compressors – are a sensible choice for servicing premium cars, read the article: Used Mercedes Parts – Original Dismantled Components. You will find practical information on how to optimally balance quality with repair costs.